Unlike the single spiral wound wire of commonly known "spiral binding," Twin Loop wire is a unique, double loop wire binding system that provides a simple, versatile and durable binding solution for various books. The wires come "pre-opened" and the pages of the book are hooked onto the looped "teeth." A wire closer is used to force the wire closed. This is a one-time use method that cannot be re-opened to add/remove pages. Sometimes referred to as Wire-O® or Spiral Wire Binding.


A plastic tube with comb-like fingers is opened (or spread) into a position that allows punched sheets with rectangular holes to fit over the comb. When released, the comb fingers retract keeping the pages together. This is a very cost-effective method for short runs with little setup. A clear advantage is that the books can be re-opened and pages can be removed/added. Sometimes called Cerlox or GBC binding.

Perfect binding

is a punchless binding method that works by fastening the book block to the cover spine. It is often used for softcover books and is most familiar to people in the form of paperback books. It is also called adhesive binding, or unsewn binding.

 

Wire stitching

is a form of binding that uses wire staples to bind sheets together. Wire stitching can either be used as side stitching, or saddle stitching. Side stitching is used for thin books that are usually then either covered with a hard cover, or a tape strip. Saddle stitching binds the sheets together through the fold in the center of several pages. 

 

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